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From:   Dan Williams <dan.j.williams@intel.com>
Date:   Mon, 2 Sep 2019 22:31:00 -0700
Message-ID: <CAPcyv4hyEK=jA=ATyzjKbJDeQfpOyRo4pxoFCTf1LHa-muC14w@mail.gmail.com>
Subject: Re: linux-next: build failure after merge of the hmm tree
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     Jason Gunthorpe <jgg@mellanox.com>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Christoph Hellwig <hch@lst.de>,
        kbuild test robot <lkp@intel.com>
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On Mon, Sep 2, 2019 at 4:45 PM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi Jason,
>
> On Mon, 2 Sep 2019 10:51:41 +0000 Jason Gunthorpe <jgg@mellanox.com> wrote:
> >
> > On Mon, Sep 02, 2019 at 08:50:17PM +1000, Stephen Rothwell wrote:
> > > Hi all,
> >
> > > ERROR: "nd_region_provider_data" [drivers/acpi/nfit/nfit.ko] undefined!
> > > ERROR: "to_nd_blk_region" [drivers/acpi/nfit/nfit.ko] undefined!
> > > ERROR: "nvdimm_region_notify" [drivers/acpi/nfit/nfit.ko] undefined!
> > > ERROR: "nvdimm_blk_region_create" [drivers/acpi/nfit/nfit.ko] undefined!
> > >
> > > Caused by commit
> > >
> > >   126470c8a58b ("libnvdimm: Enable unit test infrastructure compile checks")
> > >
> > > I have reverted that commit for today.
> >
> > Looks like more kconfig trouble, can you send Dan your kconfig? I'll
> > drop this patch again
> >
>
> Thanks.  It was just an x86_64 allmodconfig build.  I don't actually
> have the .config file (it gets cleaned up, sorry).

Strange. x86_64 allmodconfig is certainly a 0day build target. Could
this be toolchain dependent?